[Positioning] Add Stock::in_which_area_is()

owlps-positioning/src/stock.cc

@@ -1,6 +1,7 @@
 #include "stock.hh"
 #include "configuration.hh"
 #include "posexcept.hh"
+#include "area.hh"
 
 using namespace std ;
 using std::tr1::unordered_map ;
@@ -80,6 +81,26 @@ const Building& Stock::get_building(const string &name)
 }
 
 
+/**
+ * @returns A pointer to the first Area in which \em point was found.
+ * @returns NULL if \em point does not belong to any Area.
+ */
+const Area* Stock::in_which_area_is(const Point3D point)
+{
+  for (unordered_map<string, Building>::const_iterator
+       b = buildings.begin() ; b != buildings.end() ; ++b)
+    {
+      const unordered_map<string, Area*> &areas = b->second.get_areas() ;
+      for (unordered_map<string, Area*>::const_iterator
+           a = areas.begin() ; a != areas.end() ; ++a)
+        if (a->second->contains_point(point))
+          return a->second ;
+    }
+
+  return NULL ;
+}
+
+
 
 /* *** Waypoint operations *** */
 

owlps-positioning/src/stock.hh

@@ -50,6 +50,8 @@ public:
   static const Building& get_building(const std::string &name) ;
   /// Searches for a Building and creates it if it does not exist
   static const Building& find_create_building(const std::string &name) ;
+  /// Searches the Area in which \em point is
+  static const Area* in_which_area_is(const Point3D point) ;
   //@}
 
   /** @name Waypoint operations */